করবনর ইতহস নযম ও দয is an educational app developed by bdappsstudio for Android devices. It falls under the category of Education & Reference and specifically the subcategory of Books. The app provides information about the history and rules of Qurbani, which is the Islamic tradition of animal sacrifice during the festival of Eid-ul-Azha.

With the help of this app, users can learn about the dua (prayer) for Qurbani as well as various issues and rules related to Qurbani. Whether performing Qurbani individually or as part of a group, the app provides separate dua for each scenario. Additionally, users can find guidance on Qurbani-related matters in various Islamic books included within the app.

Overall, করবনর ইতহস নযম ও দয is a useful app for Muslims who want to learn about the history and rules of Qurbani. It provides easy access to dua and other information related to Qurbani. Users can also share Eid-ul-Azha greetings and messages with their loved ones through the app.